【Daily Question No. 123】2018.05.03

Thread Content

【Daily Question No. 123】May 03, 2018: Regarding the improvement of furnace efficiency, which of the following statements is incorrect? ( ) A. Reduce furnace air leakage and control the excess air coefficient ； C. Reduce the flue gas outlet temperature and add a convection section ； B. Remove the ash accumulated on the surface of the furnace tubes in a timely manner ； D. Increase the fuel amount. D (Unless otherwise specified, all questions and answers are based on hydrogenation units. ) The validity period for this question is 48 hours; within those 48 hours, 10 wealth points are awarded for correct answers and 2 wealth points for incorrect answers ； If a response is given after 48 hours, the score is halved, regardless of whether it is correct or not ； Mass posting of posts – rated based on the lowest score ； Replies that are unrelated to the answer are considered spam and will be deleted immediately. For management purposes, if you need to view content from a few days ago, please go through the summary post below. https://bbs.hcbbs.com/home.php?mod=space&uid=719164&do=thread&view=me&from=space The APP short-video skill competition has started! https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1951670